1690 Mayrhofer
| Discovery [1] | |
|---|---|
| Discovered by | M. Laugier |
| Discovery site | Nice Observatory |
| Discovery date | 8 November 1948 |
| Designations | |
| 1690 Mayrhofer | |
Named after | Karl Mayrhofer (amateur astronomer)[2] |
| 1948 VB · 1932 WN 1953 VC2 · 1956 GN | |
| main-belt · (outer) [3] | |
| Orbital characteristics [1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 82.72 yr (30212 days) |
| Aphelion | 3.3369 AU (499.19 Gm) |
| Perihelion | 2.7389 AU (409.73 Gm) |
| 3.0379 AU (454.46 Gm) | |
| Eccentricity | 0.098424 |
| 5.30 yr (1934.0 d) | |
| 272.34° | |
| 0° 11m 10.104s / day | |
| Inclination | 13.048° |
| 230.46° | |
| 156.68° | |
| Earth MOID | 1.74841 AU (261.558 Gm) |
| Jupiter MOID | 2.09657 AU (313.642 Gm) |
| TJupiter | 3.194 |
| Physical characteristics | |
| Dimensions | 31.71 km[4] 31.18±0.49 km[5] 31.198±7.539 km[6] 33.81±1.38 km[7] 31.63 km (derived)[3] |
| 15.855 ± 1 km | |
| 22.194 h (0.9248 d)[1][8] 19.0808±0.1110 h[9] | |
| 0.0767[4] 0.082±0.003[5] 0.0792±0.0384[6] 0.056±0.012[7] 0.0641 (derived)[3] 0.0767 ± 0.011[1] | |
| C [3] | |
| 11.1 | |
1690 Mayrhofer, provisional designation 1948 VB, is a dark asteroid from the outer region of the asteroid belt, about 32 kilometers in diameter. It was discovered by French female astronomer Marguerite Laugier at Nice Observatory in south-east France on 8 November 1948.[10]
The asteroid orbits the Sun at a distance of 2.7–3.3 AU once every 5.29 years (1,934 days). Its orbit shows an eccentricity of 0.10 and is tilted by 13 degrees to the plane of the ecliptic. It takes between 19 and 22 hours to rotate once around its axis.[8][9] The C-type asteroid has a geometric albedo of 0.06–0.08 according to surveys carried out by the IRAS, Akari, WISE and NEOWISE missions.[4][5][6][7]
Proposed by German catholic priest and amateur astronomer Otto Kippes, the asteroid was named after Austrian amateur astronomer Karl Mayrhofer (1903–1982). He lived in the Austrian town of Ried im Innkreis and was known for his calculations of orbital elements for asteroids.[2]
References
- ^ a b c d "JPL Small-Body Database Browser: 1690 Mayrhofer (1948 VB)" (2015-08-17 last obs.). Jet Propulsion Laboratory. Retrieved 22 April 2016.
- ^ a b Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (1690) Mayrhofer. Springer Berlin Heidelberg. p. 134. ISBN 978-3-540-29925-7. Retrieved November 2015.
{{cite book}}: Check date values in:|accessdate=(help) - ^ a b c d "LCDB Data for (1690) Mayrhofer". Asteroid Lightcurve Database (LCDB). Retrieved November 2015.
{{cite web}}: Check date values in:|accessdate=(help) - ^ a b c Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System. Bibcode:2004PDSS...12.....T. Retrieved November 2015.
{{cite journal}}: Check date values in:|access-date=(help) - ^ a b c Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan. 63 (5): 1117–1138. Bibcode:2011PASJ...63.1117U. doi:10.1093/pasj/63.5.1117. Retrieved November 2015.
{{cite journal}}: Check date values in:|access-date=(help) - ^ a b c Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results". The Astrophysical Journal. 741 (2): 25. arXiv:1109.6407. Bibcode:2011ApJ...741...90M. doi:10.1088/0004-637X/741/2/90. Retrieved November 2015.
{{cite journal}}: Check date values in:|access-date=(help) - ^ a b c Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters. 759 (1): 5. arXiv:1209.5794. Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8. Retrieved November 2015.
{{cite journal}}: Check date values in:|access-date=(help) - ^ a b Behrend, Raoul. "Asteroids and comets rotation curves – (1690) Mayrhofer". Geneva Observatory. Retrieved November 2015.
{{cite web}}: Check date values in:|accessdate=(help) - ^ a b Waszczak, Adam; Chang, Chan-Kao; Ofek, Eran O.; Laher, Russ; Masci, Frank; et al. (September 2015). "Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry". The Astronomical Journal. 150 (3): 35. arXiv:1504.04041. Bibcode:2015AJ....150...75W. doi:10.1088/0004-6256/150/3/75. Retrieved November 2015.
{{cite journal}}: Check date values in:|access-date=(help) - ^ "1690 Mayrhofer (1948 VB)". Minor Planet Center. Retrieved November 2015.
{{cite web}}: Check date values in:|accessdate=(help)
External links
- Asteroid Lightcurve Database (LCDB), query form (info)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- 1690 Mayrhofer at the JPL Small-Body Database
- JPL Small-Body Database Browser on 1690 Mayrhofer
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